CN102512940A - Method for carrying out electrolyzation circulation desulphurization on flue gas by taking solar energy as energy source - Google Patents
Method for carrying out electrolyzation circulation desulphurization on flue gas by taking solar energy as energy source Download PDFInfo
- Publication number
- CN102512940A CN102512940A CN2012100082125A CN201210008212A CN102512940A CN 102512940 A CN102512940 A CN 102512940A CN 2012100082125 A CN2012100082125 A CN 2012100082125A CN 201210008212 A CN201210008212 A CN 201210008212A CN 102512940 A CN102512940 A CN 102512940A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- sulfuric acid
- electrolysis
- energy
- desulphurization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a method for carrying out electrolyzation circulation desulphurization on flue gas by taking solar energy as an energy source. The method comprises the following steps of: (1) configuring a solar photovoltaic power generation system; (2) configuring an electrolyzation circulation desulphurization device which is powered by the solar photovoltaic power generation system; (3) introducing sulfur-containing flue gas into a semidry-method desulphurization tower to carry out semidry-method desulphurization on the sulfur-containing flue gas with a sodium hydroxide solution as a desulphurization agent; (4) preparing electrolyte by dissolving desulphurization products in water; (5) electrolyzing a sodium sulfate solution by utilizing a three-room system; and (6) circularly applying a high-concentration sodium hydroxide solution generated at a negative electrode to desulphurization of the flue gas after diluting the high-concentration sodium hydroxide solution to 10% of mass concentration, applying a high-purity concentrated sulfuric acid generated at a positive electrode to be a sulfuric acid product, and applying a diluted sodium sulfate solution after being electrolyzed in an intermediate room to being capable of circularly electrolyzing after the concentration of the diluted sodium sulfate solution is improved by sodium sulfate powders. According to the method for carrying out the electrolyzation circulation desulphurization on the flue gas by taking solar energy as the energy source, disclosed by the invention, a solar photovoltaic power generation technique and an electrolyzation circulation desulphurization technique are combined so that a problem of energy consumption of the electrolyzation circulation desulphurization device is solved, more resources are saved and environment protection is facilitated.
Description
Technical field
The present invention relates to the energy and Environmental Technology field, be a kind of be the energy with solar energy, utilize the method for electrolysis cycle utilization of semi-dry desulphurization product and resource.
Technical background
The no supervention exhibition of industry makes sulfur dioxide (SO
2) discharge without restraint and cause atmosphere pollution, cause acid rain to produce and all ecocatastrophes, bring for social development, economic construction and people's lives and seriously influence.In recent years, this problem has caused the extensive concern of international community, and the control sulfur dioxide (SO2) emissions have become the common action in the whole world.
The semi-dry process flue gas desulphurization technology is with a kind of processing method of NaOH (NaOH) as desulfurizing agent; Its rate of sulphur expulsion and desulfuration efficiency and wet process of FGD technology are quite; Therefore, obtain the well recognized of industry and become one of the developing direction in present technique field.The desulfurization product of semi-dry process flue gas desulphurization technology is pulverous sodium sulfite (Na
2SO
3) and sodium sulphate (Na
2SO
4), simultaneously,,, help cutting down the consumption of energy, and the pressure drop of desulfurization flue gas is little so it is little to handle back flue-gas temperature decline because the consumption of desulfurizing agent is few.But, because the desulfurizing agent price far above limestone-gypsum, therefore, still fails to carry out industrial applications with NaOH as the semi-dry process flue gas desulphurization technology of desulfurizing agent at present.
Find when in the laboratory, the semi-dry process flue gas desulphurization technology being studied: adopt electrolysis with ion-exchange film by desulfurization product Na
2SO
4The solution of powder preparation also selects suitable alloy electrode under the condition of low tank voltage and current density, to prepare NaOH, H efficiently
2And sulfuric acid (H
2SO
4), NaOH this moment desulfurization regeneration capable of circulation, and the condition with the industrialization chlor-alkali production is close on productive rate, tank voltage distribution and energy consumption.
Chinese patent document " desulfurizing method of exhaust gas and device " (patent publication No. CN1389289), " reproducible sulfur method of desulfurizing agent and device " (patent publication No. CN1382518A), " sulphur dioxide removing electrolysis process " (patent publication No. CN1339332A) and " reverse electrolyzer with dual membranes and three chambers " (patent publication No. CN1369576A) disclose some and have adopted electrolysis that desulfurizing agent is carried out regenerating technique; But; These technology all are wet method-electrolysis process basically; Be that sodium sulfite waste water with desulfurization is the electrolysis object; Adopt NaOH, sodium sulfite, sodium chloride mixed liquor as desulfurizing agent; Product after the desulfurization is for mixing desulfurization waste liquor; Electrolysate is sulfur dioxide gas, mixed liquor (containing NaOH, sodium sulfite, sodium chloride),---in the above-mentioned document, except " reverse electrolyzer with dual membranes and three chambers " (patent publication No. CN1369576A); Its electrolysate is NaOH and sulfur dioxide gas, must pass through further reaction to sulfur dioxide gas and just can make sulfuric acid.The needed energy all provides through current regulator power supply from national grid during the disclosed technological electrolysis of above patent documentation.Therefore, energy consumption problem is still to fail to carry out the one of the main reasons that heavy industrialization is used with NaOH as the semi-dry process flue gas desulphurization technology of desulfurizing agent.
Solar energy is the abundantest energy on the current earth, and the solar energy total amount that arrives earth surface in a year is amounted to standard coal and amounted to about 1.892 * 10
13Hundred billion tons be 10,000 times of main energy sources proved reserves on the present earth, and most of energy of solar energy also is not fully utilized at present.Solar energy is not only primary energy, and is regenerative resource, and its aboundresources, but both use without compensations do not have the trouble of transporting again, and environment is not had any pollution yet, is the human green energy resources that actively utilizing.These all impel solar energy industry to become one of industry at present with fastest developing speed.The solar power system capacity of whole world installation in 2004 has surpassed 1000 megawatts.Heliotechnics also is used to various fields such as artificial satellite, international space station.In numerous energy technologys, solar photovoltaic technology is the current energy technology that cleans most.Solar energy power generating is to utilize the opto-electronic conversion effect of photoelectric material the optical radiation energy of the sun directly to be converted into the technology of electric energy; This transfer process is the physical transformation process of electronic media; Do not relate to chemical reaction; The spatial and temporal scales that its transfer process relates to is very little, in transfer process, does not produce pollution, therefore can not influence existent environment of people.So,, will produce quite positive effect if can solar photovoltaic technology and semi-dry process flue gas desulphurization technology be combined.
Summary of the invention
The objective of the invention is to solve the energy consumption problem of present semi-dry process flue gas desulphurization technology; Proposing a kind of is the method that the energy carries out electrolysis cycle flue gas desulfurization with solar energy: in the electrolysis cycle flue gas desulfurization course, utilize solar energy power generating directly to use the electric energy of solar energy conversion (generation of electric energy, conveying are not connected with the existing power electrical network); Utilize the electric energy heating and convert chemical energy (not relating to chemical reaction and discharging in the process) into; Adopting high-concentration sodium hydroxide solution is desulfurizing agent; The electrolysis object is the metabisulfite solution of preparation; Electrolysate is respectively high-purity hydrogen sodium hydroxide solution and sulfuric acid solution, to improve rate of sulphur expulsion and desulfuration efficiency, reduces the generation of sewage and waste residue.In whole process, do not relate to the consumption of oil and carbon, it is minimum that emission of carbon-dioxide is dropped to.
For realizing above-mentioned purpose, the technical scheme that the present invention takes is:
With solar energy is the method that the energy carries out electrolysis cycle flue gas desulfurization, it is characterized in that, may further comprise the steps:
(1) solar photovoltaic generation system is set, described photovoltaic generating system comprises photovoltaic battery panel, controller for solar and accumulator, by the solar photovoltaic generation system generating and/or to the accumulator reserve power;
(2) the electrolysis cycle desulfurizer is set, described electrolysis cycle desulfurizer comprises direct current stabilizer, desulfurizing tower and electrolytic cell, is the power supply of electrolysis cycle desulfurizer by solar photovoltaic generation system or accumulator;
(3) sulfur-containing smoke gas is imported the semi-dry desulphurization tower, as desulfurizing agent, sulphur-containing exhaust gas is carried out semi-dry desulphurization with the sodium hydroxide solution of mass concentration >=10%;
(4) with being made into electrolyte after the dissolving of desulfurization product (being mainly sodium sulfate powder) water;
(5) adopting metal oxide electrode is that anode, nickel or steel electrode are negative electrode, the three Room system electrolytic sulfite solution that separated by anion and cation exchange membrane;
(6) the high-concentration sodium hydroxide solution of negative electrode generation circulates after being diluted to mass concentration to be 10% and is used for flue gas desulfurization; The high-purity concentrated sulfuric acid that anode produces can be directly as commercial sulfuric acid, and circulation entering medial compartment carried out electrolysis after the dilute sulfuric acid sodium solution after the medial compartment electrolysis improved concentration with sodium sulfate powder.
Further, sodium hydroxide concentration＞10% that step (3) adopts does not form waste water after the desulfurization, and the desulfurization product of generation is a sodium sulfate powder.
Further, employing soft water dissolves sodium sulphate and carries out electrolyte and make with extra care earlier in step (4) back, and then gets into step (5).
Further, described electrolyte subtractive process is for precipitating desulfurization wastewater and filtering.
Further, in step (5), cathode of electrolytic tank chamber importing diluted sodium hydroxide solution, anode chamber import dilution heat of sulfuric acid, medial compartment imports concentrated sulfuric acid sodium solution and carries out electrolysis.
Further, described concentrated sulfuric acid sodium solution is through the medial compartment of medial compartment import entering electrolytic cell, and medial compartment adopts anion-exchange membrane and cation-exchange membrane to separate with cathode chamber and anode chamber respectively; The diluted sodium hydroxide solution that cathode chamber produces after the electrolysis imports cathode chamber through peristaltic pump by the cathode chamber import, and electrolysis is carried dense back and derived strong caustic by the cathode chamber outlet; The dilution heat of sulfuric acid that the anode chamber produces after the electrolysis imports the anode chamber through peristaltic pump by anode chamber's import, and electrolysis is carried dense back and derived concentrated sulfuric acid solution by anode chamber's outlet; Sodium sulphate electrolyte electrolysis dilution back is emitted by the outlet of medial compartment.
Further, to use soft water to be diluted to mass concentration be the 10% back semi-dry desulphurization that is used for capable of circulation to the strong caustic that derives of described cathode chamber outlet; The concentrated sulfuric acid solution that anode chamber's outlet is derived can be directly as commercial sulfuric acid; The dilute sulfuric acid sodium solution that the medial compartment outlet is derived can get into desulfurized step again and carry out recycle.
The present invention is that the good effect that the energy carries out the method for electrolysis cycle flue gas desulfurization is with solar energy:
(1) solar photovoltaic technology and electrolysis cycle desulfur technology are combined, solved the energy consumption problem of electrolysis cycle desulfurizer, more economize on resources and help environmental protection.
(2) adopt the method for electrolysis cycle flue gas desulfurization of the present invention can remove the sulfur dioxide in the sulphur-containing exhaust gas effectively; The present invention and wet process of FGD compared with techniques have that desulfurizer is littler, small investment, advantage that operating cost is low; And the temperature of flue gas after desulfurization descends little; Energy consumption in the time of can reducing desulfurization greatly, and can not produce a large amount of desulfurization wastewaters and waste residue.
(3) adopting high-concentration sodium hydroxide solution is desulfurizing agent; The electrolysis object is the metabisulfite solution of preparation; Electrolysate is respectively high-purity hydrogen sodium hydroxide solution and sulfuric acid solution (concentrated sulfuric acid purity of generation is high, directly commercialization), has improved rate of sulphur expulsion and desulfuration efficiency; Reduce the generation of sewage and waste residue, can satisfy the requirement of industrial applications.
Description of drawings
Accompanying drawing 1 is the FB(flow block) that the energy carries out the method for electrolysis cycle flue gas desulfurization with solar energy for the present invention.
The specific embodiment
Is the specific embodiment that the energy carries out the method for electrolysis cycle flue gas desulfurization below in conjunction with description of drawings the present invention with solar energy, it is pointed out that enforcement of the present invention is not limited to following embodiment.
Referring to accompanying drawing 1.With solar energy is the method that the energy carries out electrolysis cycle flue gas desulfurization, may further comprise the steps:
(1) solar photovoltaic generation system is set; Described photovoltaic generating system comprises photovoltaic battery panel, controller for solar and accumulator; Solar photovoltaic generation system both can directly have been supplied power also can be to the accumulator reserve power; Directly supply power to reach existing solar photovoltaic generation system, have accumulator to supply power indirectly again.
(2) the electrolysis cycle desulfurizer is installed, described electrolysis cycle desulfurizer comprises direct current stabilizer, desulfurizing tower and electrolytic cell, is the power supply of electrolysis cycle desulfurizer by solar photovoltaic generation system or accumulator;
Described desulfurizing tower can be any semi-dry desulphurization tower that can use the NaOH desulfurizing agent.
(3) sulfur-containing smoke gas is imported the semi-dry desulphurization tower, the employing mass concentration is higher than 10% sodium hydroxide solution as desulfurizing agent, and sulphur-containing exhaust gas is carried out semi-dry desulphurization.
(4) sodium sulfate powder that desulfurization is produced is dissolved with soft water, is mixed with mass concentration and is higher than 15% metabisulfite solution, and solution is made with extra care: desulfurization wastewater is precipitated and filters removal insoluble substance wherein; Solution refining will look to which kind of degree the conditions such as programmed replacement cycle and economy of selection, film of ionic membrane are concrete and decide, and in general, refining degree is high more, and the service life of ionic membrane is long more, but the operating cost of FF is also high more.
(5) adopting metal oxide electrode is anode, and nickel or steel electrode are negative electrode, and the medial compartment of electrolytic cell separates with cathode chamber and anode chamber respectively with anion-exchange membrane and cation-exchange membrane; Concentrated sulfuric acid sodium solution carries out electrolysis through the medial compartment that the medial compartment import imports electrolytic cell; The diluted sodium hydroxide solution that cathode chamber produces after the electrolysis imports cathode chamber through peristaltic pump by the cathode chamber import, and electrolysis is carried dense back and derived strong caustic by the cathode chamber outlet; The dilution heat of sulfuric acid that the anode chamber produces after the electrolysis imports the anode chamber through peristaltic pump by anode chamber's import, and electrolysis is carried dense back and derived concentrated sulfuric acid solution by anode chamber's outlet.
(6) derive after the naoh concentration in the cathode chamber raises, using soft water to be diluted to mass concentration is that 10% back is carried out semi-dry desulphurization as desulfurizing agent to pending waste gas, and the toxic emission after the purification is to atmosphere; The high-purity concentrated sulfuric acid that anode produces can be directly as commercial sulfuric acid; Dilute sulfuric acid sodium solution after the medial compartment electrolysis improves with sodium sulfate powder and can get into medial compartment after the concentration and carry out recycle.
In concrete operation, at first, utilize solar photovoltaic generation system electric power to be provided for whole electrolysis cycle desulfurizer; Secondly, the sulfur-containing smoke gas that the coal-burning boiler unit is discharged imports the semi-dry desulphurization tower, and the employing mass concentration is a desulfurizing agent greater than 10% NaOH; The 3rd, the sodium sulfate powder that is generated is mixed with mass concentration greater than 15% solution, through leaving standstill or filtering with soft water; At last, the medial compartment that the clear liquid after refining is imported three Room electrolytic cells carries out electrolysis.
The application implementation example
The 0.1mol/L H that adds 750mL to the anode chamber of electrolytic cell 7
2SO
4Solution to the 0.1mol/L NaOH solution of cathode chamber adding 750mL, adds the 1mol/L sodium sulphate of 500mL to the medial compartment of electrolytic cell 7; Chamber, both sides cathode chamber and anode chamber are every gets certain volume NaOH solution and H at a distance from 10min
2SO
4The solution titration; Starting voltage is 3.5～3.6V, and initial current is 1.3～1.4A, realizes the rotating speed r=50 (being converted into flow Q=209.2 mL/min) of the peristaltic pump of circulation during three Room cell reactions; The result who uses sees the following form:
The above is merely preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the inventive method; Can also make some improvement and retouching, these improvement and retouching also should be regarded as in protection scope of the present invention.
Claims (7)
1. be the method that the energy carries out electrolysis cycle flue gas desulfurization with solar energy, it is characterized in that, may further comprise the steps:
(1) solar photovoltaic generation system is set, described photovoltaic generating system comprises photovoltaic battery panel, controller for solar and accumulator, by the solar photovoltaic generation system generating and/or to the accumulator reserve power;
(2) the electrolysis cycle desulfurizer is set, described electrolysis cycle desulfurizer comprises direct current stabilizer, desulfurizing tower and electrolytic cell, is the power supply of electrolysis cycle desulfurizer by solar photovoltaic generation system or accumulator;
(3) sulfur-containing smoke gas is imported the semi-dry desulphurization tower, as desulfurizing agent, sulphur-containing exhaust gas is carried out semi-dry desulphurization with the sodium hydroxide solution of mass concentration >=10%;
(4) with being made into electrolyte after the dissolving of desulfurization product water;
(5) adopting metal oxide electrode is that anode, nickel or steel electrode are negative electrode, the three Room system electrolytic sulfite solution that separated by anion and cation exchange membrane;
(6) the high-concentration sodium hydroxide solution of negative electrode generation circulates after being diluted to mass concentration to be 10% and is used for flue gas desulfurization; The high-purity concentrated sulfuric acid that anode produces can be directly as commercial sulfuric acid, and circulation entering medial compartment carried out electrolysis after the dilute sulfuric acid sodium solution after the medial compartment electrolysis improved concentration with sodium sulfate powder.
2. according to claim 1 is the method that the energy carries out electrolysis cycle flue gas desulfurization with solar energy, it is characterized in that, sodium hydroxide concentration＞10% that step (3) adopts does not form waste water after the desulfurization, and the desulfurization product of generation is a sodium sulfate powder.
3. according to claim 1 is the method that the energy carries out electrolysis cycle flue gas desulfurization with solar energy, it is characterized in that, employing soft water dissolves sodium sulphate and carries out electrolyte and make with extra care earlier in step (4) back, and then gets into step (5).
4. according to claim 3 is the method that the energy carries out electrolysis cycle flue gas desulfurization with solar energy, it is characterized in that, described electrolyte subtractive process is for precipitating desulfurization wastewater and filtering.
5. according to claim 1 is the method that the energy carries out electrolysis cycle flue gas desulfurization with solar energy; It is characterized in that; In step (5), cathode of electrolytic tank chamber importing diluted sodium hydroxide solution, anode chamber import dilution heat of sulfuric acid, medial compartment imports concentrated sulfuric acid sodium solution and carries out electrolysis.
6. according to claim 5 is the method that the energy carries out electrolysis cycle flue gas desulfurization with solar energy; It is characterized in that; Described concentrated sulfuric acid sodium solution is through the medial compartment of medial compartment import entering electrolytic cell, and medial compartment adopts anion-exchange membrane and cation-exchange membrane to separate with cathode chamber and anode chamber respectively; The diluted sodium hydroxide solution that cathode chamber produces after the electrolysis imports cathode chamber through peristaltic pump by the cathode chamber import, and electrolysis is carried dense back and derived strong caustic by the cathode chamber outlet; The dilution heat of sulfuric acid that the anode chamber produces after the electrolysis imports the anode chamber through peristaltic pump by anode chamber's import, and electrolysis is carried dense back and derived concentrated sulfuric acid solution by anode chamber's outlet; Sodium sulphate electrolyte electrolysis dilution back is emitted by the outlet of medial compartment.
7. according to claim 6 is the method that the energy carries out electrolysis cycle flue gas desulfurization with solar energy, it is characterized in that, it is the 10% back semi-dry desulphurization that is used for capable of circulation that the strong caustic that described cathode chamber outlet is derived uses soft water to be diluted to mass concentration; The concentrated sulfuric acid solution that anode chamber's outlet is derived can be directly as commercial sulfuric acid; The dilute sulfuric acid sodium solution that the medial compartment outlet is derived can get into desulfurized step again and carry out recycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100082125A CN102512940A (en) | 2012-01-12 | 2012-01-12 | Method for carrying out electrolyzation circulation desulphurization on flue gas by taking solar energy as energy source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100082125A CN102512940A (en) | 2012-01-12 | 2012-01-12 | Method for carrying out electrolyzation circulation desulphurization on flue gas by taking solar energy as energy source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102512940A true CN102512940A (en) | 2012-06-27 |
Family
ID=46284160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100082125A Pending CN102512940A (en) | 2012-01-12 | 2012-01-12 | Method for carrying out electrolyzation circulation desulphurization on flue gas by taking solar energy as energy source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102512940A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857838A (en) * | 2015-04-09 | 2015-08-26 | 北京廷润膜技术开发有限公司 | System and method for flue gas desulfurization through bipolar membrane electrodialysis |
| CN105907435A (en) * | 2016-06-20 | 2016-08-31 | 安庆宜源石油机械配件制造有限责任公司 | Efficient and energy-saving purification device for liquefied petroleum gas |
| CN107456853A (en) * | 2017-09-12 | 2017-12-12 | 中国科学院青岛生物能源与过程研究所 | One kind is used for ship tail gas one-step desulfurization method of denitration and its special purpose device |
| CN113630064A (en) * | 2021-08-20 | 2021-11-09 | 江苏亿万物联科技有限公司 | Method for using photovoltaic power supply as power supply of desulfurizing tower for extracting ammonium sulfate |
| CN113908670A (en) * | 2021-09-29 | 2022-01-11 | 西安交通大学 | Boiler flue gas treatment system and method based on wind energy |
| CN115572975A (en) * | 2022-10-13 | 2023-01-06 | 深圳市中冠环保科技有限公司 | Method and device for recycling copper chloride hydrochloride etching waste liquid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101010A (en) * | 2009-12-18 | 2011-06-22 | 上海交通大学 | Electrolysis circulating flue gas desulfurization method utilizing reclamation semidry method |
-
2012
- 2012-01-12 CN CN2012100082125A patent/CN102512940A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101010A (en) * | 2009-12-18 | 2011-06-22 | 上海交通大学 | Electrolysis circulating flue gas desulfurization method utilizing reclamation semidry method |
Non-Patent Citations (2)
| Title |
|---|
| 《钢铁研究学报》 20110430 陈代明等 "利用清洁能源在水溶液中电解提取纯铁的预试验" 56-59页 1-7 , 第04期 * |
| 陈代明等: ""利用清洁能源在水溶液中电解提取纯铁的预试验"", 《钢铁研究学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857838A (en) * | 2015-04-09 | 2015-08-26 | 北京廷润膜技术开发有限公司 | System and method for flue gas desulfurization through bipolar membrane electrodialysis |
| CN105907435A (en) * | 2016-06-20 | 2016-08-31 | 安庆宜源石油机械配件制造有限责任公司 | Efficient and energy-saving purification device for liquefied petroleum gas |
| CN107456853A (en) * | 2017-09-12 | 2017-12-12 | 中国科学院青岛生物能源与过程研究所 | One kind is used for ship tail gas one-step desulfurization method of denitration and its special purpose device |
| CN113630064A (en) * | 2021-08-20 | 2021-11-09 | 江苏亿万物联科技有限公司 | Method for using photovoltaic power supply as power supply of desulfurizing tower for extracting ammonium sulfate |
| CN113908670A (en) * | 2021-09-29 | 2022-01-11 | 西安交通大学 | Boiler flue gas treatment system and method based on wind energy |
| CN115572975A (en) * | 2022-10-13 | 2023-01-06 | 深圳市中冠环保科技有限公司 | Method and device for recycling copper chloride hydrochloride etching waste liquid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102101010B (en) | Electrolysis circulating flue gas desulfurization method utilizing reclamation semidry method | |
| CN102512940A (en) | Method for carrying out electrolyzation circulation desulphurization on flue gas by taking solar energy as energy source | |
| US20080245660A1 (en) | Renewable energy system for hydrogen production and carbon dioxide capture | |
| CA3195237C (en) | Li recovery processes and onsite chemical production for li recovery processes | |
| CN102239590A (en) | Electrochemical production of an alkaline solution using co2 | |
| CN102240497A (en) | Method and device for preparing methanoic acid from carbon dioxide recovered from flue gas by utilizing electric power at night | |
| US11857914B2 (en) | Electrochemical apparatus for acid gas removal and hydrogen generation | |
| CN212247228U (en) | Contain salt waste water recycling apparatus based on electrolysis hydrogen manufacturing technique | |
| JP2015091572A (en) | Biogas producing system and method of producing biogas and carbon dioxide reduced product using biogas producing system | |
| CN103388155A (en) | Device and method for continuously preparing tetramethylammonium hydroxide | |
| CN103866344A (en) | Method for preparing nitric acid through electrolysis | |
| CN109326836A (en) | Enhance CO using saltcake2The method and its battery of mineralising battery electricity generation performance | |
| CN111636073A (en) | Device and process for recycling salt-containing wastewater | |
| Chen et al. | Electro‐membrane reactor: A powerful tool for green chemical engineering | |
| CN114014416A (en) | Seawater multistage concentration electrolysis lithium extraction device and method | |
| CN114351188A (en) | Method and device for hydrogen production by water electrolysis and carbon dioxide capture | |
| CN111364055B (en) | Phosphogypsum treatment device and method based on sodium sulfate electrolysis | |
| CN217104083U (en) | Coupling seawater desalination hydrogen production system based on renewable energy power generation | |
| CN100478053C (en) | Flume desulfuration byproduct integral utilization device and method | |
| CN111470670A (en) | Method for recycling sodium sulfate electrolysis waste liquid of hydrogen-oxygen fuel cell | |
| CN116288416A (en) | Flow battery-based regeneration cycle SO 2 Resource recycling system and method | |
| CN117165957A (en) | Method for preparing sodium iron phosphate by utilizing waste lithium iron phosphate in high-valued manner | |
| CN117344322A (en) | Method and device for producing hydrogen by desulfurizing hydrogen sulfide through photovoltaic driving electrolysis | |
| CN117430217A (en) | Bipolar membrane electrodialysis method for recovering nitrogen and phosphorus by using magnesium tailings and application thereof | |
| CN117003205A (en) | Application method of vertical electrophoresis device in phosphogypsum recycling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120627 |